920018201091 has 8 divisors (see below), whose sum is σ = 1338208292544. Its totient is φ = 557586788520.

The previous prime is 920018201071. The next prime is 920018201177. The reversal of 920018201091 is 190102810029.

920018201091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 920018201091 - 2¹¹ = 920018199043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 27879339427 = 920018201091 / (9 + 2 + 0 + 0 + 1 + 8 + 2 + 0 + 1 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (920018201071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13939669681 + ... + 13939669746.

It is an arithmetic number, because the mean of its divisors is an integer number (167276036568).

Almost surely, 2^920018201091 is an apocalyptic number.

920018201091 is a deficient number, since it is larger than the sum of its proper divisors (418190091453).

920018201091 is a wasteful number, since it uses less digits than its factorization.

920018201091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27879339441.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 920018201091 in words is "nine hundred twenty billion, eighteen million, two hundred one thousand, ninety-one".